Fans of the childhood rite of passage can lift a glass of lemonade to the Guffey boys - Ben, 7, William, 5, and Jonathan, 3, the newspaper reported.
The three brothers' stand was shut down last year when police told them they needed not one but three permits to operate the stand, The Wall Street Journal reported.
The city council in Denver changed its collective mind after the boys' business was closed, but state lawmakers decided protection for all young entrepreneurs was needed in their state, according to the Post.
Some changes may be needed on the local level to make sure the new law is being adhered to, but local officials do get to say where the stands can be set up, the Post reported.
Polis is no stranger to setting up a childhood stand. He sold tomatoes when he was young.
He hopes the bill he signed allows more children the chance to get into business.
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